Created
May 4, 2023 22:18
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Opening versus lengthening effects in moment rate as observed in far field body wave amplitudes
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import numpy as np | |
import matplotlib.pyplot as plt | |
Lmax = 10.5e3 | |
mustar = 3e9 | |
tmax = 300 | |
D_list = np.logspace(-3,1,100) | |
H_list = np.logspace(-1,np.log10(400),50) | |
umax = np.zeros((100,50)) | |
for i,Dmax in enumerate(D_list): | |
for j,H in enumerate(H_list): | |
t = np.linspace(0,tmax) | |
dLdt = Lmax/tmax | |
dDdt = Dmax/tmax | |
D = dDdt*t | |
L = dLdt*t | |
Mdot = mustar * H * ( dLdt * D + dDdt*L ) | |
r = 10e3 | |
alpha = 4000 | |
rho = 900 | |
u = Mdot / (4*np.pi*rho*alpha**3 * r) | |
umax[i,j] = max(u) | |
c=plt.contourf(H_list,D_list,umax*1e6,cmap='Blues') | |
plt.contour(H_list,D_list,np.log10(umax*1e6),[-2,-1,0],colors='k') | |
plt.colorbar(c) | |
plt.yscale('log') | |
plt.xscale('log') | |
plt.ylabel('Final rift width') | |
plt.xlabel('Ice thickness') | |
plt.grid() | |
plt.show() |
Author
bradlipovsky
commented
May 4, 2023
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